Moseley was convicted of first-degree murder on Thursday by a jury in Middlesex Superior Court. He was indicted in September 2012, Ryan’s office said.

“This defendant strangled his girlfriend of many years in their home, a place where she should have felt safe,” Ryan said in the statement. “Domestic violence is about power and control and strangulation is a very personal act by an abuser who wants to show they have the power of life and death in their hands. This defendant perceived that he was losing control and attacked his girlfriend in a rage, and has now been held accountable for his actions.”

At 5:15 a.m. on the day of the slaying, Moseley called 911, requesting that police come to his Francis Street home. Moseley waited for police outside the home and told officers he had strangled Yakubu, who was found in their bedroom, prosecutors said.

Moseley was arraigned in Malden District Court later that day and ordered held without bail, prosecutors said.

Moseley had previously spent more than a decade in prison for shooting a former wife in the head in 1996, the Globe reported in 2012.